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PAN

PAN

Name


      PAN

Purpose


      Pan around a screen image. Set pixels to a specified value.

Category


Calling Sequence


      pan, out

Inputs


Keyword Parameters


Keywords


        INWINDOW=w1 input window (window to zoom, def=0).
        OUTWINDOW=w2 output window (magnified image, def=1).
        COLOR=clr If this keyword is given then when the
          middle mouse button is clicked the pixel under the
          crosshairs is set to clr. Next click unsets pixel
          if cursor position has not changed.

Outputs


      out = returned color index. out.

Common Blocks


Notes


Modification History


      R. Sterner, 17 Mar, 1993
      R. Sterner, 1 Jun, 1993 --- Added COLOR keyword and pixel set.
      R. Sterner, 15 Oct, 1993 --- Added output value.
  Copyright (C) 1993, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.



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